Spas with reservation required

Catskills, New York

A Catskills retreat center with a Tibetan-style spa offering sauna, steam, pools and cold plunge, built around overnight stays and group programs.

Lake Tahoe, California

Small day spa in Tahoe City offering massage, energy therapy and facials, plus an apothecary and gift shop, a few steps from the lake.

Kyle, Texas

A 88-acre Hill Country resort near Kyle and Wimberley with overnight rooms, a garden spa, pool, hot tubs and day-pass access by reservation.

Seattle, Washington

A downtown Seattle yoga studio with heated and unheated vinyasa, sculpt and hatha classes, plus a sauna, steam room and pools for after class.

Asheville, North Carolina

An overnight-stay forest retreat near Fairview with private cedar hot tubs and a shared sauna pavilion session, not a drop-in day spa.

Aguas Calientes, Cusco

A budget-friendly day spa in Aguas Calientes near Machu Picchu, open daily 8am-10pm for massages and treatments close to the train station.

Tulum, Quintana Roo

A hotel spa in Tulum's SM 15 area that requires advance reservations and is geared toward couples and small groups, priced in the upscale range.

Jackson Hole, Wyoming

A day spa in Jackson Hole offering massage and wellness treatments for solo visitors and couples, with reservations recommended.

Rio de Janeiro

A Botafogo day spa offering relaxing and sports massage, a relaxation lounge, and gift vouchers, open daily with reservations recommended.

Carmel-by-the-Sea, California

A moderate-priced day spa in Carmel-by-the-Sea open daily 9am–9pm, serving solo travelers and couples.

Denver, Colorado

A Five Points day spa in Denver offering massage services, open Sundays around the clock, with walk-ins accepted though booking ahead is advised.

Afyonkarahisar

A hotel thermal spa in Afyonkarahisar offering day passes by reservation, open daily 8am to 11pm, suited to families and couples.

Boston, Massachusetts

A moderately priced day spa in Boston's Chinatown open daily from 10am to 11pm, taking both walk-ins and reservations.

Djerba, Medenine

A day spa in Djerba Midun open daily 10am–8pm except Monday, welcoming both walk-ins and reservations.

Naples, Florida

A resort spa at the Hyatt Regency Coconut Point in Bonita Springs, open to hotel guests by reservation, with pool access on site.

Seminyak, Bali

A moderately priced day spa on Jl. Raya Seminyak open daily 10am to 9pm, suited to solo visits or couples.

Orlando, Florida

A small day spa in Southeast Orlando offering organic treatments by appointment, with walk-ins accepted when slots are open.

The Hamptons, New York

A moderately priced day spa in Southampton that takes both walk-ins and reservations, open daily from 10am.

Krabi

A moderately priced onsen-style day spa in Ao Nang, Krabi, open daily from late morning into the night.

Calistoga, California

MoonAcre Spa & Baths is a day spa in Calistoga with a thermal pool, hot tub and sauna, open daily 9am–5pm and geared toward families and couples.

Napa Valley, California

A hotel spa at the Napa Valley Marriott Resort, open to hotel guests by reservation, geared toward couples and families.

Hot Springs, Arkansas

A moderate-priced day spa at 328 Central Ave in Hot Springs National Park, open Tuesday through Saturday with hours that vary by day.

Boulder, Colorado

Pure Serenity Spa is a moderate-priced day spa in Boulder open Sundays, with reservations recommended for couples or solo visits.

Palm Beach, Florida

A moderately priced day spa in West Palm Beach's Palm Beach Lakes area, open daily except Sunday from 9am to 10pm.